public List<Ganga> getGangas() {
List<Ganga> gangas = new ArrayList<>();
GangaCursorWrapper cursor = queryGangas(null, null);
try {
cursor.moveToFirst();
while (!cursor.isAfterLast()) {
gangas.add(cursor.getGanga());
cursor.moveToNext();
}
} finally {
cursor.close();
}
return gangas;
}